prepare and submit “Notice of
Proposed Construction or Alteration” (FAA 7460-1) to the Federal
Aviation Administration (FAA), as stated in the PS&E
Preparation Manual. The TxDOT Design Division
(DES) also forwards submission and clearance paperwork to the districts.
These FAA requirements are found in Advisory Circular AC 70/7460-1L,
“Obstruction Marking and Lighting.”